A patch to factor in point size control can be found here: https://gitlab.kitware.com/vtk/vtk/merge_requests/3499
David E DeMarle Kitware, Inc. Principal Engineer 21 Corporate Drive Clifton Park, NY 12065-8662 Phone: 518-881-4909 On Thu, Oct 26, 2017 at 9:04 AM, David E DeMarle <[email protected]> wrote: > Looks like: > > 1) I was wrong, you don't need to scale and bias the input array into > 0..1. The transfer function editor widget's piecewise range controls let > you specify what the input domain extent. > > 2) You are correct that there isn't currently a way to get the radii to be > > 1.0 when applying the transfer function. Without the transfer function, > the point size control sets the radii for all points. With it the transfer > function's output (which is defined to be 0..1) controls the radii of each > point. Please file a bug report. > > Notes: With Point Gaussian representation there is an extra "point > gaussian radius" control that gets factored in. We could do that with > ospray, or factor in the existing point size, or possible extend the > transfer function editor widget to change the range extent to something > other than 0..1. > > > David E DeMarle > Kitware, Inc. > Principal Engineer > 21 Corporate Drive > Clifton Park, NY 12065-8662 > Phone: 518-881-4909 <(518)%20881-4909> > > On Thu, Oct 26, 2017 at 6:16 AM, Heiland, Randy <[email protected]> wrote: > >> Recapping, hopefully the relevant bits: >> >> Pipeline: PgmableSource -> Glyph (only show Glyph) >> >> Glyph Properties: >> Source: 2D Glyph >> Type: Vertex >> Active Attrs: Scalars: cell_radius >> Scaling: Mode: scalar >> Factor: 1 >> >> OSPRay Use Scale Array - yes >> Scale Array: cell_radius >> Enable OSPRay - yes >> >> Let’s say my cell_radius has a range [5,10] >> >> I cannot figure out how to scale up my cells to be large enough. I’ve >> dabbled with the OSPRay Scale Function editor, with no success. >> >> The Scaling Factor above seems to have no effect. Is there a global >> scaling factor I’m missing? >> >> (irrelevant bit, I think… I’m Masking: Every Nth Point) >> >> I’ll experiment with my simple 2 cell example later… >> >> >> On Oct 25, 2017, at 5:19 PM, Heiland, Randy <[email protected]> wrote: >> >> Beauty. Thanks!! (I really need to take time to read the entire PV Guide) >> >> On Oct 25, 2017, at 5:14 PM, David E DeMarle <[email protected]> >> wrote: >> >> click the gear to show advanced properties, or use search field for glyph >> type. >> >> >> >> David E DeMarle >> Kitware, Inc. >> Principal Engineer >> 21 Corporate Drive >> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >> Clifton Park, NY 12065 >> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >> -8662 >> Phone: 518-881-4909 <(518)%20881-4909> >> >> On Wed, Oct 25, 2017 at 5:11 PM, Heiland, Randy <[email protected]> wrote: >> >>> You lost me - in the Glyph Source block,I select Glyph Type = 2D Glyph. >>> Then where is VERTEX? In the Display block, I choose Representation = >>> Points which produces a blobby mess. But a very *smooth* blobby mess :) >>> >>> On Oct 25, 2017, at 4:46 PM, David E DeMarle <[email protected]> >>> wrote: >>> >>> That control is only available if the representation type is surface, >>> this could explain why you don't see it on the ProgrammableSource. >>> >>> In the glyph filter, use 2D glyph, VERTEX. >>> >>> >>> >>> >>> >>> David E DeMarle >>> Kitware, Inc. >>> Principal Engineer >>> 21 Corporate Drive >>> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >>> Clifton Park, NY 12065 >>> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >>> -8662 >>> Phone: 518-881-4909 <(518)%20881-4909> >>> >>> On Wed, Oct 25, 2017 at 4:29 PM, Heiland, Randy <[email protected]> wrote: >>> >>>> I only see the “OSPRay Use Scale Array” on the Properties for Glyph, >>>> not the Props for the ProgrammableSource. Expected? And so, OSPRay is >>>> rendering the chunky polygonalized spherical glyphs (Representation = >>>> Surface). >>>> >>>> If I could independently scale the implicit spheres and use OSPRay, I’d >>>> prefer that until I do the vtkCutter. (thanks for confirming, Note 2) >>>> >>>> >>>> >>>> On Oct 25, 2017, at 3:35 PM, David E DeMarle <[email protected]> >>>> wrote: >>>> >>>> To change the size based on values: >>>> check "OSPRay Use Scale Array" on "Display" section or "Properties" Tab >>>> Choose the array name you want to scale by with "OSPRay Scale Array" >>>> pulldown. >>>> Define your value to radius transfer function via the "OSPRay Scale >>>> Function" popup editor. >>>> >>>> Note 1: the transfer function is defined to map between 0.0 and 1.0 and >>>> clamp outside of that range. Use a calculator to scale and bias into that >>>> range. If you don't like having to do this, file a feature request to >>>> remind the developers to implement it one of these days such that min is >>>> defined to be array min and max. >>>> >>>> Note 2:Cutter will not cut through the implicit spheres. >>>> >>>> Note 3: Point Gaussian representation's Use Scalar Array, Guassian >>>> Scale Array and Scale Transfer Function (which I riffed off of) are >>>> similar. I'm not sure about scale and bias and cut with this GL shader >>>> based side. >>>> >>>> >>>> David E DeMarle >>>> Kitware, Inc. >>>> Principal Engineer >>>> 21 Corporate Drive >>>> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >>>> Clifton Park, NY 12065 >>>> <https://maps.google.com/?q=21+Corporate+Drive+Clifton+Park,+NY+12065&entry=gmail&source=g> >>>> -8662 >>>> Phone: 518-881-4909 <(518)%20881-4909> >>>> >>>> On Wed, Oct 25, 2017 at 3:16 PM, Heiland, Randy <[email protected]> wrote: >>>> >>>>> Just want to make sure I’m not missing something. In my Pgmable Source >>>>> PolyData, I render Points and love the OSPRay-rendered spheres. However, >>>>> is >>>>> there any mechanism for (independently) scaling these, i.e., other than >>>>> the >>>>> fixed Point Size? Or is the only way to get scalar-value scaled spheres >>>>> via >>>>> the Glyph filter? If so, is it possible to control the >>>>> resolution/triangulation of that glyph? Basically, I’m looking for ways of >>>>> getting high-res spheres, but will also want to use vtkCutter on them >>>>> later. >>>>> >>>>> thanks, Randy >>>>> _______________________________________________ >>>>> Powered by www.kitware.com >>>>> >>>>> Visit other Kitware open-source projects at >>>>> http://www.kitware.com/opensource/opensource.html >>>>> >>>>> Please keep messages on-topic and check the ParaView Wiki at: >>>>> http://paraview.org/Wiki/ParaView >>>>> >>>>> Search the list archives at: http://markmail.org/search/?q=ParaView >>>>> >>>>> Follow this link to subscribe/unsubscribe: >>>>> http://public.kitware.com/mailman/listinfo/paraview >>>>> >>>>> >>>> >>>> >>> >>> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Search the list archives at: http://markmail.org/search/?q=ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://public.kitware.com/mailman/listinfo/paraview >> >> >> >
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